How to Fix Windows Terminal 404 Error on Open
You click Windows Terminal and nothing happens, or you see a 404 error message. This usually mean...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Remote Desktop Connection Version Mismatch Error Code
When you try to connect to a remote PC using Remote Desktop Connection (RDP) and get a "version m...
Fix High CPU Usage by Antivirus Scanning PowerShell
If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...
Fix Windows Update Stuck on Checking for Updates with Connection Timeout
You click Check for updates, and Windows sits there spinning forever—sometimes for hours—before s...
Fix Windows Security Service Unavailable After Update
After a Windows update, you might open Windows Security and see a message like “Security service ...
Fix Windows Defender Not Starting After Update
After a Windows update, you might see that Windows Defender (now called Microsoft Defender Antivi...
Topic paths
Quick titles
Troubleshoot NVM Command Missing on WindowsOneDrive Sync Installer Error 0x8004de40 TroubleshootingChrome Sync Permission Denied Error FixWindows Defender DNS Error Troubleshooting GuideHow to Fix Outlook Configuration ErrorsFix OneDrive Login Loop with Permission Denied ErrorHow to Fix Chrome Access Denied on Specific WebsitesBitLocker Permission Denied Error Fix Guide